Originally Posted by
Franc Rauscher
OK, the service life of my battery on the 2006 roadster is over. And taking it out of storage proves it.
SO, what is the latest skinny on the best best battery for replacement.
No, I don't wish to use the search feature. But thanks for asking.
Personally, I like the Deka 9AGM48 from East Penn battery.
$149.00 from
Search Results : Tri-State Battery Warehouse
The bimmer forum says they do free shipping, but I don't see that on the web site.